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Marathon 2-Channel MA Professional Series Power Amplifier (MA-4050)


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  • Power, Status and Protection LED Indicators
  • Input Connectors: Female XLR-3, 6.35mm TRS Jack
  • Output Connectors: 4 Pole Speakon, Binding Post
  • Class AB Output Circuit
  • Protection: Short or Open Circuit, Thermal, Soft-Start, DC voltage, Sub/Ultrasonic, RF
  • Cooling Fan System
  • IMD 60Hz and 7KHz, 4:1: <0.038%
  • Signal to Noise Ratio: >102dB
  • Half Power Frequency Response: 15Hz - 25KHz
  • Input Sensitivity: Selectable (0.77V / 1.0V / 1.44V)
  • Input Impedance: 10k ohm Balanced to ground
  • THD + Noise at 1KHz Full Power: <0.03%
  • 110 / 220 Selectable Voltage AC Power Supply
  • 10A Power Supply Fuse
  • Power - 8 Ohms: 2 x 800W
  • Power - 4 Ohms: 2 x 1300W
  • Power - 2 Ohms: 2 x 1500W
  • Power - BRIDGE 8 Ohms: 2000W
  • Power - BRIDGE 4 Ohms: 4000W

The MA-4050 Professional Series Amplifier features a wide range of powerful features, perfect for DJ or club use. Benefit from up to 4000 Watts of power in 4 ohms bridge mode, as well as a versatile range of input options. The LED indicators make the device easy-to-use. With a huge range of protective features and highly effective cooling fans, the MA-4050 is as reliable as it is powerful.